WO2012165798A2 - Dispositif d'éclairage pour réverbère - Google Patents

Dispositif d'éclairage pour réverbère Download PDF

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Publication number
WO2012165798A2
WO2012165798A2 PCT/KR2012/004050 KR2012004050W WO2012165798A2 WO 2012165798 A2 WO2012165798 A2 WO 2012165798A2 KR 2012004050 W KR2012004050 W KR 2012004050W WO 2012165798 A2 WO2012165798 A2 WO 2012165798A2
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WO
WIPO (PCT)
Prior art keywords
light emitting
light
emitting device
unit
base member
Prior art date
Application number
PCT/KR2012/004050
Other languages
English (en)
Korean (ko)
Other versions
WO2012165798A3 (fr
Inventor
허재석
김보아
Original Assignee
주식회사 유니테스트
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 유니테스트 filed Critical 주식회사 유니테스트
Priority to JP2014513425A priority Critical patent/JP5676822B2/ja
Priority to DE112012002262.9T priority patent/DE112012002262B4/de
Priority to US14/122,494 priority patent/US9062842B2/en
Publication of WO2012165798A2 publication Critical patent/WO2012165798A2/fr
Publication of WO2012165798A3 publication Critical patent/WO2012165798A3/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/08—Lighting devices intended for fixed installation with a standard
    • F21S8/085—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/0025—Combination of two or more reflectors for a single light source
    • F21V7/0033—Combination of two or more reflectors for a single light source with successive reflections from one reflector to the next or following
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/005—Reflectors for light sources with an elongated shape to cooperate with linear light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
    • F21V29/763—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
    • F21V29/777—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section the planes containing the fins or blades having directions perpendicular to the light emitting axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/05—Optical design plane
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/09—Optical design with a combination of different curvatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
    • F21W2111/02—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for roads, paths or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/103—Outdoor lighting of streets or roads
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting

Definitions

  • the present invention relates to a lighting device for a street lamp, and more particularly to a lighting device for a street lamp to be formed around the roadway to maintain the illumination of the roadway to be uniform and stable.
  • the lighting device refers to an electric lamp.
  • the light emitting device is classified into a light emitting method.
  • An incandescent lamp for lighting that uses exothermic light emission of tungsten filament, an arc lamp for outdoor lighting that uses incandescent light by arc discharge between electrodes, and electrons are discharged to the phosphor by discharge.
  • Fluorescent lamps that emit light by irradiation can be described.
  • the lighting device may be classified into a street lamp, a security light / security lamp, and a park light.
  • Sodium or mercury lamps are generally used as a light source of the lighting device.
  • the above-mentioned sodium lamp has a yellow color because light is generated using light emission by discharge in sodium vapor.
  • the sodium lamp is not enough light does not elapse about 20-30 minutes after the light is turned on and the light is yellow light is not suitable for general lighting and there is a problem that is used only limited.
  • mercury lamps with good luminous efficiency have a low mercury vapor pressure at the beginning of lighting, but after a few minutes the air pressure rises to give normal light.
  • the mercury lamp is turned off, the temperature is lowered, and there is a problem that the lamp cannot be turned on for about 10 minutes until the pressure of the gas is lowered.
  • the light source as described above tends to have a large power consumption, and thus has a problem in that a large amount of fuel is used for power generation equipment on board. For this reason, there is an effort to apply a light emitting diode (LED) element having high luminous efficiency and low power consumption to a lighting device.
  • LED light emitting diode
  • the straightness of the light irradiated from the LED is strong, there are many restrictions to be used as a street light, security light, park light.
  • the streetlight should be secured evenly to maintain a constant illuminance on the road, but the LED is strong straight to provide illumination only to the adjacent area of the LED.
  • the distance between the street lamps and the street lamps is specified according to the height.
  • the space between the street lamps can be sufficiently brightened.
  • the LED element is more linear than sodium lamp or mercury lamp, it is difficult to sufficiently light the space between the street lamps.
  • a conventional lighting device for streetlights using LEDs as a light source generally implements a target light distribution by individually disposing a diffusion lens in front of the LEDs.
  • a large number of lenses must be assembled to produce a diffused lens, and thus an increase in manufacturing labor and product cost is inevitable.
  • the size and weight of the product as well as the problem of having to take the optical loss of the lens itself are inevitable.
  • the present invention provides a street lamp lighting apparatus having an improved structure to efficiently control the degree of light diffusion by improving the directivity of the light emitting device by using a method that excludes light distribution control by the diffusion lens applied to the conventional lighting device for street lamps. It aims to provide.
  • the lighting device for a street lamp according to the present invention for achieving the above object is, consisting of a base member formed on the upper side of the body of the street lamp disposed on the ground, and at least one light emitting device, disposed on the lower surface of the base member A plurality of light emitting device units and the light emitting device units are disposed to be adjacent to each other, and are arranged to be spaced apart from each other by a predetermined distance on the lower surface of the base member.
  • a reflecting unit wherein the reflecting unit is arranged to be spaced apart from a light emitting element unit of the light emitting element units by a predetermined distance, and is formed to surround only a part of the light emitting element unit and at least a portion of the light emitted from the light emitting element unit.
  • a first reflecting portion for causing a portion to be reflected to a reflection unit located adjacent to the first direction;
  • a second reflection part which is formed to be inclined at a specific angle from the base member and diffuses light reflected from a reflection unit located adjacent to the second direction opposite to the first direction in multiple directions.
  • the street lighting device unlike the conventional street lighting device for diffusing light using a diffused lens to control the light distribution by reflecting the light in multiple directions with a reflecting unit. Accordingly, conventional street lighting lighting It is possible to reduce the size, weight and cost of the device, and to secure the road surface uniformity.
  • a light emitting device that is more power-efficient than mercury lamp or sodium lamp as a light source of the lighting device of the street lamp, it not only lowers power consumption and lowers maintenance costs, but also improves road surface uniformity to prevent driver glare. In addition to meeting convenience, traffic accidents can be prevented.
  • FIG. 1 is a perspective view of a lighting device for a street lamp according to an embodiment of the present invention.
  • Figure 2 is a bottom view showing the lower side of the lighting device for streetlight shown in FIG.
  • FIG. 3 is a vertical cross-sectional view of the lighting device for a street lamp shown in FIG.
  • FIG. 4 is a perspective view showing an extract of the reflection unit in the lighting device for a street lamp shown in FIG.
  • FIG. 5 is a cross-sectional view illustrating a process in which light emitted from a light emitting device unit is diffused by a reflection unit in the lighting apparatus for a street lamp of FIG. 1.
  • FIG. 6 and 7 are cross-sectional views showing modifications of the first reflecting unit in the lighting apparatus for street lamp shown in FIG.
  • the lighting device for a street lamp according to the present invention for achieving the above object is, consisting of a base member formed on the upper side of the body of the street lamp disposed on the ground, and at least one light emitting device, disposed on the lower surface of the base member A plurality of light emitting device units and the light emitting device units are disposed to be adjacent to each other, and are arranged to be spaced apart from each other by a predetermined distance on the lower surface of the base member.
  • a reflecting unit wherein the reflecting unit is arranged to be spaced apart from a light emitting element unit of the light emitting element units by a predetermined distance, and is formed to surround only a part of the light emitting element unit and at least a portion of the light emitted from the light emitting element unit.
  • a first reflecting portion for causing a portion to be reflected to a reflection unit located adjacent to the first direction;
  • a second reflection part which is formed to be inclined at a specific angle from the base member and diffuses light reflected from a reflection unit located adjacent to the second direction opposite to the first direction in multiple directions.
  • the lighting apparatus 100 for a street lamp includes a base member 110, light emitting device units 120, and reflection units 130. .
  • the base member 110 is formed on the upper side of the body of the street light disposed on the ground.
  • the lower surface of the base member 110 is disposed to face the ground through which vehicles pass.
  • a plurality of heat sinks 111 may be formed at one side of the base member 110.
  • the heat sink 111 serves to emit heat generated when the light emitting device emits light to the outside.
  • One example of the material of the base member 110 may be aluminum or copper. Aluminum and copper have better heat dissipation performance than other metals so that heat generated by the light emitting device can be efficiently released.
  • the lower side of the above-described base member 110 may be made of a plane, it may be made of a multi-stage.
  • each of the light emitting device units 120 and the reflective units 130 may be disposed at one end of the base member 110. This structure minimizes the light reflected between the reflecting units 130 from interfering with the adjacent reflecting unit 130 than the case where the lower side of the base member 110 is made of a flat surface. May be more advantageous.
  • the light emitting device units 120 may include at least one light emitting device.
  • the light emitting device units 120 are disposed on the bottom surface of the base member. This is for light emitted from the light emitting device to be irradiated toward the ground.
  • a plurality of light emitting devices may be arranged side by side. The number of light emitting devices included in the light emitting device unit 120 may be changed according to the manufacturer's design.
  • the reflective units 130 are disposed to be adjacent to the light emitting device units 120.
  • the reflection units 130 are disposed to be spaced apart from each other by a predetermined distance on the bottom surface of the base member 110.
  • the reflection units 130 allow light emitted from the light emitting device units 120 to diffuse in multiple directions.
  • the reflection unit 130 for this includes a first reflecting unit 131 and a second reflecting unit 134.
  • the first reflecting unit 131 is disposed to be spaced apart from the one of the light emitting device units 120 by a predetermined distance.
  • the first reflecting unit 131 is formed so as to surround only a part of the light emitting device unit 120 so that at least a portion of the light irradiated from the light emitting device unit 120 is disposed adjacent to the first direction. To be reflected.
  • the second reflector 134 is formed to be inclined at a specific angle from the base member 110 so that the light reflected from the reflection unit 130 adjacent to each other in the second direction opposite to the first direction is diffused in multiple directions. do.
  • the road surface irradiation direction of light may be variously controlled according to the inclination angle of the second reflector 134.
  • the second reflector 134 may be 45 ° with respect to the base member 110 so that light is concentrated at a specific position on the ground, and the second reflector 134 is the base member 110. It is also possible to allow the light to be irradiated to the ground to be wider than 60 ° to the ground.
  • the second reflector 134 is not limited to the above-described angle with respect to the base member 110.
  • the reflective layer may be formed on the surfaces of the first reflecting portion 131 and the second reflecting portion 134.
  • An example of the reflective layer may be a reflective sheet or an aluminum (Al) coating layer.
  • a part of the light irradiated from the light emitting device unit 120 in the street lighting device 100 having the above-described structure is reflected by the first reflecting unit 131 and irradiated toward the ground.
  • the remaining part of the light is reflected by the first reflecting unit 131 and then reflected by the second reflecting unit 134 of the adjacent reflecting unit 130 and irradiated toward the ground.
  • the streetlight lighting device 100 having the above structure improves the directivity of the light emitting device (LED) to improve the degree of light diffusion, so that the front surface of the LED unlike the conventional streetlight lighting device using the LED as a light source. It is possible to sufficiently satisfy the illuminance within the separation distance between the street lamps without disposing the diffusing lenses separately. Therefore, by using a light-emitting device that is more power-efficient than mercury lamp or sodium lamp as a lighting device of street light, it not only lowers power consumption, but also reduces maintenance costs. In addition to this, traffic accidents can be prevented.
  • LED light emitting device
  • the first reflector 131 may include a diffuser 132 and an extension 133.
  • the diffusion part 132 is formed in an arc shape so as to correspond to the central portion and the side portion of the light emitting device unit 120.
  • the diffuser 132 reflects and radiates the light emitted from the light emitting device unit 120.
  • the extension part 133 extends from a side of the diffusion part 132 to a specific length.
  • the extension part 133 allows a part of the light emitted from the light emitting device unit 120 to diffuse in the other direction while restricting the irradiation toward the ground.
  • the extension part 133 may be formed to be rounded to face the light emitting device unit 120.
  • the above-described second reflecting unit 134 may be integrally formed with the first reflecting unit 131 and may be an inclined surface that is inclined downward at a specific angle toward the second direction.
  • the second reflecting unit 134 reflects the light reflected from the first reflecting unit 131 of the adjacent reflecting unit 130 again to allow the light emitted from the light emitting device unit 120 to be diffused.
  • a part facing the light emitting device unit may have the same radius of curvature as the diffusion part 132.
  • the part facing the light emitting device unit may be formed in a plane.
  • the length L2 of the extension part 333 may be about 50% of the radius L1 of the arc-shaped diffusion part 132.
  • the length L2 of the extension part 333 exceeds 50% of the radius L1 of the diffusion part 132, the light irradiated from the light emitting device may be excessively limited to reduce illumination.
  • the length L2 of the extension part 333 is less than 50% of the radius L1 of the diffusion part 132, the light emitted from the light emitting element is reflected on the ground than the amount reflected by the adjacent reflection unit 130. The more direct light is irradiated in the direction perpendicular to, the diffusion range can be reduced.
  • the lighting apparatus 100 for street lamp may further include a cover 140.
  • the cover 140 prevents the inside of the street lamp lighting apparatus 100 from being lost or accumulated foreign substances such as pollen or dust due to external moisture.
  • the cover 140 may be a dome-shaped member made of a plastic material having excellent light transmittance.
  • Another example of the cover 140 may be a diffusion lens. The diffusion lens is used to diffuse the light, and diffuses the light reflected from the light emitting device unit 120 and reflected by the reflecting unit 130 again to provide a wider area to the ground from the street lighting device 100 of the present invention. Light can be irradiated.
  • the lighting device for a street lamp according to the present invention may be installed in a street lamp and used to light a sidewalk and a roadway.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

La présente invention concerne un dispositif d'éclairage pour réverbère, dont une structure est améliorée de telle sorte que le degré de diffusion de la lumière peut être efficacement commandé en améliorant la directivité d'un élément lumineux. A cette fin, le dispositif d'éclairage pour réverbère comprend : un élément de base, qui est formé au niveau d'un côté supérieur d'un corps de réverbère qui est agencé au-dessus du sol ; au moins un élément lumineux, ou une pluralité d'unités d'éléments lumineux, qui sont agencées sur la surface inférieure de l'élément de base de façon à ce que les unités d'éléments lumineux soient agencées de manière adjacente ; et une pluralité d'unités réfléchissantes, qui sont mutuellement agencées en étant isolées les unes des autres selon une distance prédéterminée sur la surface inférieure de l'élément de base afin de diffuser la lumière émise depuis l'élément lumineux dans de multiples directions. L'unité réfléchissante comprend : une première section réfléchissante, qui est agencée pour être isolée de n'importe quelle unité d'élément lumineux parmi les unités d'éléments lumineux selon une distance prédéterminée, et qui est formée pour n'entourer qu'une partie de l'unité d'élément lumineux de façon à ce qu'au moins une partie de la lumière émise depuis l'unité d'élément lumineux soit réfléchie par les unités réfléchissantes qui sont positionnées de manière adjacente dans une première direction ; et une seconde section réfléchissante, qui est formée pour être inclinée selon un certain angle à partir de l'élément de base afin de diffuser la lumière dans de multiples directions en étant réfléchie par les unités réfléchissantes qui sont positionnées de manière adjacente dans une seconde direction, à l'opposé de la première direction.
PCT/KR2012/004050 2011-05-27 2012-05-23 Dispositif d'éclairage pour réverbère WO2012165798A2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2014513425A JP5676822B2 (ja) 2011-05-27 2012-05-23 街路灯用照明装置
DE112012002262.9T DE112012002262B4 (de) 2011-05-27 2012-05-23 Leuchtvorrichtung für eine Straßenlampe
US14/122,494 US9062842B2 (en) 2011-05-27 2012-05-23 Lighting device for street lamp

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2011-0050900 2011-05-27
KR1020110050900A KR101064760B1 (ko) 2011-05-27 2011-05-27 가로등용 조명장치

Publications (2)

Publication Number Publication Date
WO2012165798A2 true WO2012165798A2 (fr) 2012-12-06
WO2012165798A3 WO2012165798A3 (fr) 2013-01-24

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Application Number Title Priority Date Filing Date
PCT/KR2012/004050 WO2012165798A2 (fr) 2011-05-27 2012-05-23 Dispositif d'éclairage pour réverbère

Country Status (5)

Country Link
US (1) US9062842B2 (fr)
JP (1) JP5676822B2 (fr)
KR (1) KR101064760B1 (fr)
DE (1) DE112012002262B4 (fr)
WO (1) WO2012165798A2 (fr)

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Publication number Priority date Publication date Assignee Title
US10168023B1 (en) * 2015-10-28 2019-01-01 NLS Lighting, LLC Reflector based illumination system
WO2019010665A1 (fr) * 2017-07-13 2019-01-17 刘如松 Réverbère à del ayant de multiples modes d'éclairage

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JP2014515549A (ja) 2014-06-30
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KR101064760B1 (ko) 2011-09-15
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WO2012165798A3 (fr) 2013-01-24
US20140111989A1 (en) 2014-04-24

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